SI-7321M
IC MTR DRV UNIPOLR 3-5.5V 44HSOP
Pmic Motor Drivers Controllers
44-SSOP (0.295", 7.50mm Width) + 4 Heat Tabs
Active
$7.27 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Sanken |
| Model | SI-7321M |
| Package / Case | 44-SSOP (0.295", 7.50mm Width) + 4 Heat Tabs |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Topology | Driver - Fully Integrated, Control and Power Stage |
| Current - Output | 1.5A |
| Supplier Device Package | 44-HSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
SI-7321M by Sanken is a Driver - Fully Integrated, Control and Power Stage IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 44-SSOP (0.295", 7.50mm Width) + 4 Heat Tabs package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Driver - Fully Integrated, Control and Power Stage |
| Interface | Parallel |
| Technology | Power MOSFET |
| Applications | General Purpose |
| Voltage - Load | 10V ~ 44V |
| Step Resolution | 1, 1/2, 1/4, 1/8, 1/16 |
| Current - Output | 1.5A |
| Voltage - Supply | 3V ~ 5.5V |
| Motor Type - AC, DC | Brushed DC |
| Motor Type - Stepper | Unipolar |
| Output Configuration | Low Side (4) |
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